<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >

      <div class="title-container">
        <h3 class="title">XXX系统登录</h3>
      </div>

      <!-- ID Input -->
      <el-form-item prop="userId">
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
        <el-input
          ref="id"
          v-model="loginForm.id"
          placeholder="User ID"
          name="id"
          type="text"
          tabindex="2"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
        </span>
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="eye-open"/>
        </span>
        <el-input
          ref="role"
          v-model="loginForm.role"
          placeholder="Role"
          name="role"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width:100%;margin-bottom:30px;"
        @click.native.prevent="handleLogin"
      >登录
      </el-button>

      <div class="tips">
        <span>提示信息</span>
      </div>

    </el-form>
  </div>
</template>

<script>

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 1) {
        callback(new Error('The password can not be less than 1 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        password: '031207Gjb_',
        id: 1,
        role: 'super'
      },
      loginRules: {
        password: [{ required: true, trigger: 'blur', validator: validatePassword }],
        id: []
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            console.log('loginform')
            console.log(this.loginForm)
            if (this.loginForm.role === 'super') {
              this.$router.push({ path: '/' })
            } else if (this.loginForm.role === 'cashier') {
              console.log(this.loginForm.role)
              this.$router.push({ path: '/cashier' })
            }
            this.loading = false
            console.log(this.$store.state.user)
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">

$bg: #fff; // 背景色
$dark_gray: #444; // 深灰色
$light_gray: #333; // 浅灰色
$cursor: #333; // 光标颜色

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $dark_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.9); // 背景颜色更亮
    border-radius: 5px;
    color: $light_gray; // 字体颜色更浅
  }
}
</style>

<style lang="scss" scoped>

$bg: #f5f5f5; // 背景色
$dark_gray: #666; // 深灰色
$light_gray: #999; // 浅灰色

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: $dark_gray; // 字体颜色更深
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $dark_gray; // 字体颜色更深
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray; // 字体颜色更深
    cursor: pointer;
    user-select: none;
  }
}
</style>
